MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 873c279f4ab0f28fd1bd48bdc7380beae9467f42714db57a539dc32215cc779b. While MalwareBazaar tries to identify whether the sample provided is malicious or not, there is no guarantee that a sample in MalwareBazaar is malicious.

Database Entry



Mirai


Vendor detections: 11


Intelligence 11 IOCs YARA 18 File information Comments

SHA256 hash: 873c279f4ab0f28fd1bd48bdc7380beae9467f42714db57a539dc32215cc779b
SHA3-384 hash: b182d0343130a0352816368de9a3b0dd348364fe3fcee8c5ed598cd522b689b02420ece1c31ee4bcea4f9fc8f17ff498
SHA1 hash: 99a01bc40427eadd07032515139eaf028ca02116
MD5 hash: 23f8e97ab1869019176034d9effa7bca
humanhash: mars-may-idaho-bravo
File name:debug
Download: download sample
Signature Mirai
File size:103'700 bytes
First seen:2025-11-13 22:41:44 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:9lJn5LL0S8uPDILJQM0FEQ51GIuiXh/rDoIlJGvN7cH78Q3SdXlLCprBL:bLvSLJQ1yQ5nR/PoQJwpcsXlLCNBL
TLSH T1A5A36CD6E283D0F5DC5605382172FB376973D9FD2328DAC3D3E49A76A822941C41EA9C
telfhash t1fd31d4f516350ce497c09902f11e8761fd0eab7b68a476a346b38534362ed4643b7c75
TrID 50.1% (.) ELF Executable and Linkable format (Linux) (4022/12)
49.8% (.O) ELF Executable and Linkable format (generic) (4000/1)
Magika elf
Reporter abuse_ch
Tags:elf mirai upx-dec


Avatar
abuse_ch
UPX decompressed file, sourced from SHA256 ef9be664e2e310fbd58d8d87bc4c1b69a0f325f0e18aaecc9db04849a7ccba2c
File size (compressed) :45'964 bytes
File size (de-compressed) :103'700 bytes
Format:linux/i386
Packed file: ef9be664e2e310fbd58d8d87bc4c1b69a0f325f0e18aaecc9db04849a7ccba2c

Intelligence


File Origin
# of uploads :
1
# of downloads :
49
Origin country :
NL NL
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Receives data from a server
Opens a port
Changes access rights for a written file
Sends data to a server
DNS request
Changes access rights for a file
Connection attempt
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
x86
Packer:
not packed
Botnet:
unknown
Number of open files:
46
Number of processes launched:
4
Processes remaning?
false
Remote TCP ports scanned:
not identified
Behaviour
Information Gathering
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-11-13T20:46:00Z UTC
Last seen:
2025-11-15T16:31:00Z UTC
Hits:
~10
Status:
terminated
Behavior Graph:
%3 guuid=f6f0a300-1a00-0000-b8e9-48b32c0a0000 pid=2604 /usr/bin/sudo guuid=18a79002-1a00-0000-b8e9-48b3320a0000 pid=2610 /tmp/sample.bin net send-data guuid=f6f0a300-1a00-0000-b8e9-48b32c0a0000 pid=2604->guuid=18a79002-1a00-0000-b8e9-48b3320a0000 pid=2610 execve 8b0a01dc-0728-52c1-8024-c4ba7801b8d6 8.8.8.8:53 guuid=18a79002-1a00-0000-b8e9-48b3320a0000 pid=2610->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 send: 775B a4e02df3-c7fa-5be2-b410-afe687812c07 41.216.189.108:80 guuid=18a79002-1a00-0000-b8e9-48b3320a0000 pid=2610->a4e02df3-c7fa-5be2-b410-afe687812c07 send: 4B guuid=1772793e-1a00-0000-b8e9-48b3cc0a0000 pid=2764 /tmp/sample.bin dns net send-data guuid=18a79002-1a00-0000-b8e9-48b3320a0000 pid=2610->guuid=1772793e-1a00-0000-b8e9-48b3cc0a0000 pid=2764 clone guuid=1ff0fe6a-1b00-0000-b8e9-48b3a50c0000 pid=3237 /tmp/sample.bin guuid=18a79002-1a00-0000-b8e9-48b3320a0000 pid=2610->guuid=1ff0fe6a-1b00-0000-b8e9-48b3a50c0000 pid=3237 clone guuid=1772793e-1a00-0000-b8e9-48b3cc0a0000 pid=2764->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 send: 837B 01bb915c-71c6-57a6-bd5f-3cb536b9a274 vr3b.ddns.net:12121 guuid=1772793e-1a00-0000-b8e9-48b3cc0a0000 pid=2764->01bb915c-71c6-57a6-bd5f-3cb536b9a274 send: 162B guuid=372d863e-1a00-0000-b8e9-48b3cd0a0000 pid=2765 /tmp/sample.bin guuid=1772793e-1a00-0000-b8e9-48b3cc0a0000 pid=2764->guuid=372d863e-1a00-0000-b8e9-48b3cd0a0000 pid=2765 clone
Result
Threat name:
Detection:
malicious
Classification:
troj
Score:
76 / 100
Signature
Antivirus / Scanner detection for submitted sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Uses dynamic DNS services
Yara detected Mirai
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1813855 Sample: debug.elf Startdate: 13/11/2025 Architecture: LINUX Score: 76 18 vr3b.ddns.net 2->18 20 169.254.169.254, 80 USDOSUS Reserved 2->20 22 3 other IPs or domains 2->22 24 Malicious sample detected (through community Yara rule) 2->24 26 Antivirus / Scanner detection for submitted sample 2->26 28 Multi AV Scanner detection for submitted file 2->28 30 Yara detected Mirai 2->30 8 debug.elf 2->8         started        10 python3.8 dpkg 2->10         started        signatures3 32 Uses dynamic DNS services 18->32 process4 process5 12 debug.elf 8->12         started        14 debug.elf 8->14         started        process6 16 debug.elf 12->16         started       
Threat name:
Linux.Backdoor.Mirai
Status:
Malicious
First seen:
2025-11-13 22:42:44 UTC
File Type:
ELF32 Little (Exe)
AV detection:
19 of 24 (79.17%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:mirai defense_evasion discovery linux
Behaviour
Reads runtime system information
Enumerates running processes
Writes file to system bin folder
Modifies Watchdog functionality
Malware Config
C2 Extraction:
vr3b.ddns.net
Verdict:
Malicious
Tags:
trojan gafgyt mirai Unix.Trojan.Mirai-7100807-0
YARA:
Linux_Trojan_Gafgyt_28a2fe0c Linux_Trojan_Gafgyt_5bf62ce4 Linux_Trojan_Mirai_fa3ad9d0 Linux_Trojan_Mirai_b14f4c5d Linux_Trojan_Mirai_93fc3657 Linux_Trojan_Mirai_804f8e7c Linux_Trojan_Mirai_99d78950 Linux_Trojan_Mirai_a68e498c Linux_Trojan_Mirai_88de437f Linux_Trojan_Mirai_ae9d0fa6 Linux_Trojan_Mirai_389ee3e9 Linux_Trojan_Mirai_cc93863b Linux_Trojan_Mirai_8aa7b5d3 Linux_Gafgyt_May_2024
Please note that we are no longer able to provide a coverage score for Virus Total.

YARA Signatures


MalwareBazaar uses YARA rules from several public and non-public repositories, such as YARAhub and Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious process dumps they may create. Please note that only results from TLP:CLEAR rules are being displayed.

Rule name:ELF_Mirai
Author:NDA0E
Description:Detects multiple Mirai variants
Rule name:linux_generic_ipv6_catcher
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:Linux_Trojan_Gafgyt_28a2fe0c
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_5bf62ce4
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_389ee3e9
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_804f8e7c
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_88de437f
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_8aa7b5d3
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_93fc3657
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_99d78950
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_a68e498c
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_ae9d0fa6
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_b14f4c5d
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_cc93863b
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_fa3ad9d0
Author:Elastic Security
Rule name:SUSP_XORed_Mozilla_Oct19
Author:Florian Roth
Description:Detects suspicious single byte XORed keyword 'Mozilla/5.0' - it uses yara's XOR modifier and therefore cannot print the XOR key. You can use the CyberChef recipe linked in the reference field to brute force the used key.
Reference:https://gchq.github.io/CyberChef/#recipe=XOR_Brute_Force()
Rule name:SUSP_XORed_Mozilla_RID2DB4
Author:Florian Roth
Description:Detects suspicious XORed keyword - Mozilla/5.0
Reference:Internal Research
Rule name:unixredflags3
Author:Tim Brown @timb_machine
Description:Hunts for UNIX red flags

File information


The table below shows additional information about this malware sample such as delivery method and external references.

Web download

Mirai

elf 873c279f4ab0f28fd1bd48bdc7380beae9467f42714db57a539dc32215cc779b

(this sample)

  
Delivery method
Distributed via web download

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